Publications and resources

In the rare event of a lightning strike or fault on the transmission line, towers or poles may transfer high voltage and dangerous currents into the ground for a very short instant. This is...

In March 2020, we launched Whakamana i Te...

Transpower today released its financial results for the six months ending 31 December 2019. ...

Each year, Transpower publishes a Grid Outputs Report which provides our customers and stakeholders with a summary of the performance of our regulated transmission business over the past...

Transpower regularly publishes a Transmission Planning Report (TPR) which details the grid asset capability over the next 15 years. ...

A best practice guide on the management of trees around transmission lines.

In 2018 Transpower launched Te Mauri Hiko – Energy Futures, aimed at stimulating industry discussion on what New Zealand’s energy future could look like. Taking a...

In 2018 Transpower launched Te Mauri Hiko – Energy Futures, aimed at stimulating industry discussion on what New Zealand’s energy future could look like. Taking...

Our 2018/19 Annual Report is a print-friendly PDF file that includes our corporate governance and financial statements, disclosures and independent auditor's report. We are...

This paper is part of an ongoing suite of analysis and reports that collectively make up the Te Mauri Hiko work programme. It follows the overall Te Mauri Hiko – Energy...